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MMS system in the data center: how we automated the management of technical maintenance

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Imagine you have a complete server infrastructure: several dozen air conditioners, a bunch of generators, and uninterruptible power supplies. To ensure the hardware functions properly, you regularly check its operability and do not forget about maintenance: you conduct test launches, check oil levels, and replace parts. Even for a single server, a lot of information needs to be stored: equipment registry, list of consumables in stock, maintenance schedule, […]

Chrome and other applications will consume less RAM in the new Windows 10

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In the May update for Windows 10, Microsoft introduced an improved mechanism for managing dynamic memory, which will reduce RAM consumption by various applications. Microsoft stated in its official Windows blog that it is already utilizing this new capability in the development of its proprietary Edge browser, which now, as a reminder, is based on the Chromium engine. According to the results of early tests, memory consumption reduction […]

The Ubuntu project released builds for deploying server platforms on Raspberry Pi and PCs

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Canonical has introduced the Ubuntu Appliance project, initiating the release of fully configured Ubuntu builds optimized for the quick deployment of ready-made server applications on Raspberry Pi or PCs. Currently, there are builds available for launching cloud storage and collaboration platform NextCloud, MQTT broker Mosquitto, media server Plex, home automation platform OpenHAB, and the ad-blocking DNS server AdGuard. Builds […]

Release of the Rescuezilla Backup Distribution 1.0.6

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A new version of the Rescuezilla 1.0.6 distribution has been released, designed for backup, system recovery after failures, and diagnosing various hardware issues. The distribution is built on the Ubuntu package base and continues the development of the 'Redo Backup & Rescue' project, which was discontinued in 2012. Rescuezilla supports backup and recovery of accidentally deleted files in Linux, macOS, and Windows partitions. […]

Mozilla has transitioned to using a shared regular expression engine with Chromium

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The JavaScript engine SpiderMonkey used in Firefox has been transitioned to use an updated implementation of regular expressions based on the current Irregexp code from the JavaScript engine V8, used in browsers based on the Chromium project. The new RegExp implementation will be proposed in Firefox 78, scheduled for June 30, and will enable the implementation of all missing ECMAScript features related to regular expressions in the browser. It is noted that […]

The Easiest Way to Switch from macOS to Linux

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Linux allows you to do almost the same things as macOS. Moreover, this has been made possible by the thriving open-source community. One of the stories of transitioning from macOS to Linux is presented in this translation. It has been almost two years since I switched from macOS to Linux. Before that, I used the operating system from […]

Transmitting data over a distance of up to 20 km using regular wires? Easy, if it's SHDSL…

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Despite the widespread adoption of Ethernet networks, DSL-based communication technologies remain relevant to this day. DSL is still commonly found in last-mile networks for connecting subscriber equipment to Internet service provider networks, and recently, this technology has increasingly been used in building local networks, for example, in industrial applications, where DSL serves as […]

Data Center Air Corridor Isolation Systems: Key Installation and Operation Rules. Part 1. Containerization

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One of the most effective methods for increasing the energy efficiency of modern data centers and reducing operational costs is isolation systems. They are also known as hot and cold aisle containment systems. The primary consumer of excess power in a data center is the cooling system. Consequently, the lower the load on it (reducing electricity bills, even load distribution, reducing wear on engineering […]

Monolinux — a single-file distribution that boots on ARMv7 528 MHz CPUs in 0.37 seconds

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Erik Moqvist, the creator of the Simba platform and the cantools toolkit, is developing a new Monolinux distribution focused on creating embedded Linux systems for standalone execution of specific applications written in C. Notably, the distribution packages the software as a single statically compiled executable file, including all components necessary for the application to run (essentially, the distribution constitutes the Linux kernel […]

Release of the password cracking program hashcat 6.0.0

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A significant release of the password cracking program hashcat 6.0.0 has been published, claiming to be the fastest and most functional in its field. Hashcat offers five cracking modes and supports over 300 optimized password hashing algorithms. Crack computations can be parallelized leveraging all available system computing resources, including the use of CPU vector instructions, GPU, and others […]

DNS Key Leak in Firefox and Chrome

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In Firefox and Chrome, a feature of processing search queries entered in the address bar has been identified, leading to information leakage through the provider's DNS server. The essence of the problem is that if a search query consists of only one word, the browser first tries to resolve the presence of a host with that name in DNS, assuming that the user is trying to open a subdomain, and only then redirects […]

Bhunter — hacking botnet nodes

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Malware analysts and computer security researchers strive to collect as many samples of new botnets as possible. To this end, they use honeypots.… But what if one wants to observe malware in real conditions? Do you put your server, router at risk? And what if there is no suitable device? These questions led me to create bhunter — a tool for gaining access […]

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